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Triangle RST is shown below. What is the length of ST?
R
13
5
S
a.) 12
b.) 5
c.) 18
d.) 8

Triangle RST is shown below What is the length of ST R 13 5 S a 12 b 5 c 18 d 8 class=

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CloverDwarf

Answer:

A: 12

Step-by-step explanation:

Using the pythagoreom theorem, a^2+b^2=c^2. We can plug in the lengths of 5 and 13 which is 5^2+b^2=13^2. Now we can square the numbers to get 25+b^2=169. Subtract 25 from 169 to get 144. Now find the square root of 144 which is 12.

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